Mathematics Middle School

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Suppose y varies directly to x, and y = -24 and x = 8. Write a direct variation equation that relates x and y.

Answers

Answer 1

Answer:

-24=k8

Step-by-step explanation:

Answer 2

-24 times 8 = ?

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Related Questions

What is the slope of the line whose equation is −48=2x−8y?

Answers

- 48 = 2x - 8y

8y = 2x + 48

y = (2x + 48)/8

y = 1/4x + 6

Answer : 1/4

slope is equal to a in y = ax + b

So a = 1/4

Hope this helps!!

64 is 4 times the difference between 10 and a number

Answers

Answer: -6

Step-by-step explanation: 64=4(10-n)

Basically 10-x and then then the answer to that times 4=64

What is the answer to 2 1/4 / 3/4

Answers

Answer: 3

Step-by-step explanation:

9/4 cause it’s division

Simplify: Negative four and one-fifth minus negative thirteen and one-tenth
Eight and nine-tenths
Negative eight and nine-tenths
Negative seventeen and three-tenths
Seventeen and three-tenths


Which one?? Plz help fast I only have a couple of minutes

Answers

Answer:

The answer is eight and nine-tenths

Step-by-step explanation:

Eliminating a negative and changing our operation.

=−4 1/5+13 1/10

Rewriting our equation with parts separated

=−4−15+13+110

Solving the whole number parts

−4+13=9

Solving the fraction parts

−1/5+1/10=?

Find the LCD of 1/5 and 1/10 and rewrite to solve with the equivalent fractions.

LCD = 10

−2/10+1/10=−110

Combining the whole and fraction parts

9−1/10=8 9/10

hope this helps :)

need help will give brainliest plz!!!!

Answers

I believe it's all of them correct me if I'm wrong anybody else who's answering
I, III, IV : You do not need to buy fertilizers in order to protect the water system

X-number of days Y- cost
6 2
9 3
24 8
3 1
a) Is this a proportional relationship?

b) If this is a proportional relationship, what is the constant? Write N/A if it is not proportional.

c) If this is a proportional relationship, write a direct proportion equation. Write N/A if it isnot proportional.

Answers

yesssssssssssassssssss

a) Yes, This is a proportional relationship.

b) The value of constant is, 1/3.

c) The direct proportion equation is,

⇒ y = 1/3x

Where, y represent the cost and x represent the number of days.

What is Proportional?

Any relationship that is always in the same ratio and quantity which vary directly with each other is called the proportional.

We have to given that;

The relation is,

X-number of days      Y- cost

6                                    2

9                                    3

24                                  8

3                                    1

Let number of days = x

And, Cost = y

So, By definition of proportional, we have;

⇒ y = kx

Where, k is constant of proportionality.

Now, By the given relation, we get;

⇒ 2 = k × 6

⇒ k = 2/6

⇒ k = 1/3

And, y = kx

⇒ 3 = k × 9

⇒ k = 3/9

⇒ k = 1/3

Hence, The given relation is in proportion.

And, The value of constant of proportionality = 1/3

Thus, The direct proportion equation is,

⇒ y = 1/3x

Where, y represent the cost and x represent the number of days.

Learn more about the proportion visit:

https://brainly.com/question/1496357

#SPJ2

The value of a stock increased 1 1/4 points Monday morning. On Monday afternoon, the value of the stock decreased 1 2/3 points. On Tuesday morning, the value increased 1 1/2 points. What is the change in the stock's value? for middle school
A. - (1/12)

B. 1/12

C. 1 1/1

D. 2 5/12

Answers

Answer:

11/1

Step-by-step explanation:

There is a jar of jelly beans with the following flavors: 12 are grape, 17 are blueberry, 5 are pineapple and 13 are coconut. What is the probability, expressed as a percent, of selecting either a grape or blueberry?

Answers

Answer:

It would be blueberry

Step-by-step explanation:

Cause grape has a less amount than the grape or other fruits

Answer:

Blueberry

Step-by-step explanation:

Simplify the expression.
4x+9y+3(x+y)

Answers

Answer:

7x + 12y

Step-by-step explanation:

4x + 9y + 3(x + y)

~Distribute

4x + 9y + 3x + 3y

~Combine like terms

7x + 12y

Best of Luck!

Answer:

The simplified expression is 7x + 12y.

Step-by-step explanation:

What is a simplified form of the expression 4(2a – 1) – 5a?
a+4
3a-4
-9a+4
13a-4

Answers

Answer:

3a-4.

Step-by-step explanation:

4(2a-1) --> 8a-4

8a-4-5a

8a-5a=3a

3a-4

Answer: a≓6.969819675
Explanation: Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

a+3/a+7-2*a-4/a^2+3*a-28-(2-a/4-a)=0

Step by step solution :

STEP
1
:

a
Simplify —
4
Equation at the end of step
1
:

3 4 a
((((((a+—)+7)-2a)-————)+3a)-28)-((2-—)-a) = 0
a (a2) 4
STEP
2
:
Rewriting the whole as an Equivalent Fraction

2.1 Subtracting a fraction from a whole

Rewrite the whole as a fraction using 4 as the denominator :

2 2 • 4
2 = — = —————
1 4
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

2 • 4 - (a) 8 - a
——————————— = —————
4 4
Equation at the end of step
2
:

3 4 (8-a)
((((((a+—)+7)-2a)-————)+3a)-28)-(—————-a) = 0
a (a2) 4
STEP
3
:
Rewriting the whole as an Equivalent Fraction

3.1 Subtracting a whole from a fraction

Rewrite the whole as a fraction using 4 as the denominator :

a a • 4
a = — = —————
1 4
Adding fractions that have a common denominator :

3.2 Adding up the two equivalent fractions

(8-a) - (a • 4) 8 - 5a
——————————————— = ——————
4 4
Equation at the end of step
3
:

3 4 (8-5a)
((((((a+—)+7)-2a)-————)+3a)-28)-—————— = 0
a (a2) 4
STEP
4
:

4
Simplify ——
a2
Equation at the end of step
4
:

3 4 (8-5a)
((((((a+—)+7)-2a)-——)+3a)-28)-—————— = 0
a a2 4
STEP
5
:

3
Simplify —
a
Equation at the end of step
5
:

3 4 (8-5a)
((((((a+—)+7)-2a)-——)+3a)-28)-—————— = 0
a a2 4
STEP
6
:
Rewriting the whole as an Equivalent Fraction

6.1 Adding a fraction to a whole

Rewrite the whole as a fraction using a as the denominator :

a a • a
a = — = —————
1 a
Adding fractions that have a common denominator :

6.2 Adding up the two equivalent fractions

a • a + 3 a2 + 3
————————— = ——————
a a
Equation at the end of step
6
:

(a2+3) 4 (8-5a)
(((((——————+7)-2a)-——)+3a)-28)-—————— = 0
a a2 4
STEP
7
:
Rewriting the whole as an Equivalent Fraction

7.1 Adding a whole to a fraction

Rewrite the whole as a fraction using a as the denominator :

7 7 • a
7 = — = —————
1 a
Polynomial Roots Calculator :

7.2 Find roots (zeroes) of : F(a) = a2 + 3
Polynomial Roots Calculator is a set of methods aimed at finding values of a for which F(a)=0

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers a which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number P/Q then P is a factor of the Trailing Constant and Q is a factor of the Leading Coefficient

In this case, the Leading Coefficient is 1 and the Trailing Constant is 3.

The factor(s) are:

of the Leading Coefficient : 1
of the Trailing Constant : 1 ,3

4.
Two eighth grade classes are selling tickets to raise money for their school fundraiser.

• One class is selling tickets for $3.50 each and has already raised $250.
• The other class is selling tickets for $2.25 each and has already raised $300.

How many tickets does each class have to sell so that the total amount raised is the same for both classes?
97
440
40
7

Answers

Answer:440

Step-by-step explanation:

Two customers took out bank loans.
• Carl took out a 3-year loan for $20,000 and paid 5.00% interest compounded annually
• Steven took out a 5-year loan for $20,000 and paid 3.00% interest compounded annually
What is the difference between the amounts of interest Carl and Steve paid for their loans?
A)
$32.98
B)
$40.09
$52.91
D)
$86.94

Answers

Answer:

a

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

I kinda need this quick lol

−2x + 5 −1

b) x −6

d) x < −6

Answers

The answer wouldn’t be eathier of those it would be -2x+4 because 5-1 is 4 and that gives you -2x+4 and you can’t combine like terms
-2x+ 5 -1
-2x -5 -5
x-6 that’s should be the answer

Please help with this assignment!! It’s math, also zooming into the photo makes it look much clearer.

Answers

C thank me later.Welcome

HURRY!!!!!!!

What is the graph of the equation ​?

Choose the correct graph below.

A.

-10

10

-10

10

x

y




x y graph

B.

-10

10

-10

10

x

y




x y graph

C.

-10

10

-10

10

x

y




x y graph

D.

-10

10

-10

10

x

y

Answers

Answer:

B.)

Step-by-step explanation:

Trust me on this one I know it is B 100%

Answer:

ANSWER: B

EXPLAINATION IS :I did this question

Can sombody help me its for ixl

Answers

Answer:

Step-by-step explanation:

your picture wont pop up

the picture is cropped, cant see the full question

which question is undefined? A.-0/2/10 B.(-7-0)/14 C.7/0 D.(4-4)/8

Answers

Answer:

C. 7/0 would be undefined because you can't divide a number by zero.

C. 7/0 would be undefined because you can't divide a number by zero

The following month, Mr. Bradley goes bowling by himself. He debates on which bowling alley to select based only on what it will cost to bowl at each alley. How many games would he need to bowl to pay an equal amount at each bowling alley?

Answers

Answer:

Around 5 or 6 games

Step-by-step explanation:

Answer:

around 5 to 6 games in total

Step-by-step explanation:

I have no idea how to do this! need help, please

Answers

Distribute your numbers on the out side of your Parentheses to the numbers on the inside
Distribute your numbers (sorry if this isn’t helpful, I’m really struggling with homework and it says it need to answer another question, I’ve been working for over 12 hours, I’m tired)

A triangle has coordinates F(−2, 3), G(−4, 1), and H(−2, −2). The triangle is translated and its image has coordinates F’(0, 0), G’(−2, −2), and H’(0, −5).

What is the correct rule for the translation?
(x, y) Right-arrow (x + 2, y + 3)
(x, y) Right-arrow (x + 2, y – 3)
(x, y) Right-arrow(x – 2, y + 3)
(x, y) Right-arrow (x – 3, y+ 2)

Answers

Answer:

B  is the answer. (x, y) Right-arrow (x + 2, y – 3)

Step-by-step explanation:

i already did this

The rule for the translation of FGH to F'G'H' is (x + y) ⇒ (x + 2, y - 3).

Transformation

Transformation is the movement of a point from its initial location to a new location. Types of transformation are rotation, translation, reflection and dilation.

If a point A(x, y) is translated a units right and b units down, the new point is at A'(x + a, y - b)

The rule for the translation of FGH to F'G'H' is (x + y) ⇒ (x + 2, y - 3).

Find out more on Transformation at: https://brainly.com/question/1462871

Please answer this quick

Answers

Answer:

D

Step-by-step explanation:

to find volume its length × width × height. So 12×7×15 is 1,260

I'm not good at math at all so please help
3k = 39

k =

Answers

Answer:

13

Step-by-step explanation:

[tex]39 \div 3 = 13[/tex]

Answer:

k = 13

Step-by-step explanation:

k represents a number. You don't know what the number is.

3k = 39 means three times a number is 39. What is the number?

3k = 39

Divide both sides by 3.

k = 13

The number is 13.

Answer: k = 13

k=mkm kjjjjjjjjjjjjjjjjjjjjmkm

Answers

nzdndjjsjcjejxosjchejicjsnf

which series of transformations will move the triangle in Quandrant 1 onto the similar triangle in Quandrant 3
A. reflection across th x-axis and translation 6 units up
B. translation 6 units down and reflection across the y-axis
C. rotation of 90 degrees clockwise and reflection across the y-axis
D. translation 6 units down and rotation of 9p degrees counterclockwise

Answers

It would be c I hope that helps
I think it’s C sorry if I’m wrong

Which of the following expressions can be written as 12(a + b)?

a.(12 + a) ∙ (12 + b)
b.12a + 12b
c.(12 + a) + (12 + b)
d.12a ∙ 12b

Answers

Answer:C(12+a)+(12+b)

Step-by-step explanation:

Answer: 12a + 12b

Step-by-step explanation: Use the distributive property. The property is that you can take the 12 and multiply it by both letters inside separately.

12(a+b) = (12 * a)+(12 * b) = 12a+12b

It's easier to see a picture of how the distributive property works.

Denmark uses the kroner as its currency before a trip to Denmark Mia wants to exchange $1,700 For kroner

A.does Bank A or Bank B have the better exchange rate explain

B.how many more kroner would Mia get if she exchanged her $1,700 at the bank with the better exchange rate

Answers

A: Bank B
B: 2,312

Hope this helped!!

Through graphical analysis, the process can be quickly understood, which improves communication and gives further analysis a clear direction. Bank A has the better exchange rate, with $1,700 equaling 8670 kroner.

What is a graphical analysis?A graphical analysis is a graphical representation of data that uses graphs, figures, and charts. It is particularly useful for managers who must process large amounts of data. A large amount of data is presented in an understandable format in this type of analysis.Through graphical analysis, the process can be quickly understood, which improves communication and gives further analysis a clear direction. It is an important tool for determining the causes of data variation, which aids in understanding the process and potential root causes.

Therefore,

Bank A have the more exchange rate.

exchange rate :

Bank A gives 5.1 kroner per Dollar.

Bank B gives 5.0 kroner per Dollar.

Mia get :

1700 × 5.1 = 8670 kroner.

Hence, Bank A has the better exchange rate, with $1,700 equaling 8670 kroner.

To learn more about Graphical analysis, refer to:

brainly.com/question/24335034

#SPJ2

9000000000 divided 1

Answers

Answer:

9000000000

Step-by-step explanation:

9000000000 is the answer :)

Which of these are functions and which are not?
A (-1,0),(3,0),(5,2)
B (3,2),(5,-4),(5,1)
C (0,3),(2,5),(2,6),(3,7)
D (-1,3),(0,5),(1,5),(5,7)

Answers

A&C are both functions. B&D are not. A&C do not have any numbers that are repetitive.

a rental car agency charges $240 per week plus $0.25 per mile how many miles can you travel in one week for 475$ help

Answers

Answer:

940 miles

Step-by-step explanation:

You first want to Subtract 475 and 240 which equals 235. Then divide that by 0.25 and you get 940 miles.

Which fraction is equivalent to2/6

3/7
3/9
3/12
3/8

Answers

Answer:

3/9

Step-by-step explanation:

2/6=1/3

3/9=1/3

3/9
I’m pretty sure that’s it. sorry if I’m wrong.
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